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Journal of Materials Science & Technology 2018年第12期34卷 2498-2506页

作者： S.G.Wang M.Sun y.h.xu K.Long Z.D.Zhang Shenyang National Laboratory for Materials Science Institute of Metal ResearchChinese Academy of Sciences

The localized and uniform corrosion resistances of bulk nanocrystalline 304 stainless steel（NC-304 SS）produced by severe rolling technique, and its conventional polycrystalline 304 stainless steel（CC-304 SS）counterpart, were investigated in high-concentration hydrochloric acid solutions at room ***-304 SS can scarcely suffer from localized corrosion in 4 mol/L and 5 mol/L hCl solutions during 5-day immersion tests, and in 1-3 mol/L hCl solutions during thirty-five-day immersion tests. The corrosion rate of NC-304 SS was also less than that of CC-304 SS during these immersion tests. The improved localized and uniform corrosion resistances of NC-304 SS were explained in terms of the adsorption and chemical activity of Cl;on NC-304 SS and CC-304 SS characterized by X-ray photoelectron spectroscopy,and the valence electron configurations of NC-304 SS and CC-304 SS were characterized by ultra-violet photoelectron spectroscopy rather than conventional electrochemical results.

关键词： Stainless steels Localized corrosion Severe rolling technique X-ray photoelectron spectroscopy Ultra-violet photoelectron spectroscopy

Synchronous optimization of strengths, ductility and corrosion resistances of bulk nanocrystalline 304 stainless steel

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Journal of Materials Science & Technology 2020年第2期37卷 161-172页

作者： S.G.Wang M.Sun S.y.Liu X.Liu y.h.xu C.B.Gong K.Long Z.D.Zhang Shenyang National Laboratory for Materials Science Institute of Metal ResearchChinese Academy of SciencesShenyang110016China

Structural materials usually suffer from several attacks during their service,such as tension,fatigue and *** is necessary to synchronously improve these properties for their lightweight and longlifetime,but corrosion resistance and ductility are generally inverse correlation with strength,it is very difficult to simultaneously optimize all three ***,bulk nanocrystalline 304 stainless steel(BN-304SS)produced by severe rolling technology possessed the larger yield and ultimate tensile strengths with sufficient elongation(>40%)during tensile test,the larger saturation stress and longer lifetime during low-cycle fatigue,the enhanced uniform and pitting corrosion resistances during fiveday immersion test in 6 mol/L hCl,the lowered stress corrosion cracking(SCC)susceptibility with larger yield(~2.40 GPa)and ultimate tensile(~2.66 GPa)strengths,and enough elongation(>30%)during stress corrosion in comparison with conventional polycrystalline 304 stainless steel(CP-304 SS)*** uniform and pitting corrosion resistances of fractured BN-304SS were enhanced in comprsion with those of fractured CP-304 SS during seven-day immersion test in 1 mol/L *** results demonstrated the strengths,ductility and corrosion resistances of BN-304SS can be simultaneously optimized by severe rolling *** improved results of BN-304SS in different disciplines were understood by its valence electron configurations rather than traditional microstructural parameters.

关键词： Stainless steel Pitting corrosion Stress corrosion Tensile properties Low-cycle fatigue Severe rolling technology

Down-regulation of nuclear protein-1 induces cell cycle arrest in G0/G1 phase in glioma cells in vivo and vitro via P27

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Down-regulation of nuclear protein-1 induces cell cycle arre...

一种新的全局特征管理方案可提高影像组学模型的性能和稳定性:一项基于急性脑干梗死CT影像的研究

第十六届中国医师协会神经外科医师年会

作者： J.LI Z.G.LIAN y.h.xu R.y.LIU Z.Q.WEI T.LI h.T.LV y.S.ZhAO y.J.LIU B.DONG X.FU Department of Neurosurgery First Affiliated Hospital of Dalian Medical University Department of Interventional therapy First Affiliated Hospital of Dalian Medical University

Nuclear protein-1(NUPR1),also named as p8 or Com1,has been since found overexpressed in several human malignant tumor cells,such as ***1 also regulates cell cycle progression,however,the role of NUPR1 in regulating glioma cell cycle remains poorly *** efficiency of U87and U251 cells infected with lentiviral vector was detected by quantitative real-time PCR and western blot in vitro and ***-activated cell sorting(FACS) and western blot were used to explore mechanism by which NUPR1 modulates cell cycle in U87 and ***(IhC) was applied to detect expression level of P27,CDK2 and cyclin E in human glioma tissues with NUPR1 positive expression and tumorigenesis in nude *** confirmed that down-regulation of NUPR1 arrested the cell cycle in the G0/G1 phase in U87 and U251 cells in ***,the expression level of P27 was increased,and CDK2 and cyclin E were decreased upon silencing NUPR1 expression in vitro and *** conclusion,Knockdown of NUPR1 induces cell cycle arrest in G0/G1 phase in glioma cells via P27.

关键词： Glioma NUPR1 P27 Cell Cycle

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国际医学放射学杂志 2022年第5期 619-619页

作者： y.F.Li y.h.Xie y.h.xu N.N.Zhang G.h.Li S.h.Ju 何品

摘要目的如何应对降维对影像组学模型的性能和稳定性的影响仍面临着重大挑战。旨在提出一种新的独立于降维的全局特征管理方案来改进模型。方法采用来自2家医

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Enantio-divergent C–h borylation with two different ligands from a single chiral source

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Science China Chemistry 2025年第1期 226-232页

作者： Rongrong Du Senmiao xu State Key Laboratory for Oxo Synthesis and Selective Oxidation Lanzhou Institute of Chemical Physics Chinese Academy of Sciences College of Material Chemistry and Chemical Engineering Key Laboratory of Organosilicon Chemistry and Material TechnologyMinistry of Education Hangzhou Normal University University of Chinese Academy of Sciences

Reported here is an iridium-catalyzed enantio-divergent C（sp3）–h borylation of α-gem-dimethyl groups of trifluoromethyl ketone-derived hydrazones to construct a series of acyclic all-carbon quaternary stereocenters with a high level of chiral induction. Two different chiral bidentate boryl ligands from a common chiral source not only can switch the enantioselectivity but also are complementary in terms of the substrate scope.

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A surface engineering strategy for the stabilization of zinc metal anodes with montmorillonite layers toward long-life rechargeable aqueous zinc ion batteries

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Journal of Energy Chemistry 2025年第1期100卷 94-105页

作者： Wenbo Wang Ruifeng xu xu Zhang Peiyu Wang Bao yang Bingjun yang Juan yang Kailimai Su Pengjun Ma yanan Deng Xianfeng Fan Wanjun Chen Key Laboratory for Electronic Materials College of Electrical Engineering Northwest Minzu University Resource Chemistry and Energy Materials Research Center State Key Laboratory of Solid Lubrication Lanzhou Institute of Chemical Physics Chinese Academy of Sciences University of Chinese Academy of Sciences Institute for Materials and Processes School of Engineering University of Edinburgh

Rechargeable aqueous zinc-ion batteries （AZIBs） exhibit appreciable potential in the domain of electrochemical energy ***,there are serious challenges for AZIBs,for instance zinc dendrite growth,hydrogen evolution reaction （hER）,and corrosion side ***,we propose a surface engineering modification strategy for coating the montmorillonite （MMT） layer onto the surface of the Zn anode to tackle these issues,thereby achieving high cycling stability for rechargeable *** results reveal that the MMT layer on the surface of the Zn anode is able to provide ordered zincophilic channels for zinc ions migration,facilitating the reaction kinetics of zinc *** functional theory（DFT） calculations and water contact angle （CA） tests prove that MMT@Zn anode exhibits superior adsorption capacity for Zn2+and better hydrophobicity than the bare Zn anode,thereby achieving excellent cycling ***,the MMT@Zn||MMT@Zn symmetric cell holds the stable cycling over 5600 h at 0.5 mA cm-2and 0.125 m A h cm-2,even exceeding 1800 h long cycling under harsh conditions of 5 m A cm-2and 1.25 m A h *** MMT@Zn||V2O5full cell reaches over 3000 cycles at 2 A g-1with excellent rate ***,this surface engineering modification strategy for enhancing the electrochemical performance of AZIBs represents a promising application.

关键词： Surface engineering strategy Montmorillonite layer Protection mechanism of Zn anode Cycling stability Aqueous zinc ion batteries

Copper-catalyzed C–h bond functionalization enabled by programmed alternating current

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Science China Chemistry 2025年第1期 10-11页

作者： Zhoumei Tan Kun xu Chengchu Zeng Beijing Key Laboratory of Environmental and Viral Oncology College of Chemistry and Life Science Beijing University of Technology

Synthetic electrochemistry has been selected as one of the Top Ten Emerging Technologies in Chemistry in 2023 by International Union of Pure and Applied Chemistry (IUPAC)[1]. It has emerged as a sustainable platform for organic synthesis and has exhibited a wide range of applications from academia to industry [2]. however, electrosynthesis has been predominantly performed by using direct current (DC).

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Protein arginine methyltransferase-6 regulates heterogeneous nuclear ribonucleoprotein-F expression and is a potential target for the treatment of neuropathic pain

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Neural Regeneration Research 2025年第9期20卷 2682-2696页

作者： Xiaoyu Zhang yuqi Liu Fangxia xu Chengcheng Zhou Kaimei Lu Bin Fang Lijuan Wang Lina huang Zifeng xu Department of Anesthesiology International Peace Maternity and Child Health HospitalSchool of MedicineShanghai Jiao Tong UniversityShanghaiChina Department of Anesthesiology Shanghai General HospitalSchool of MedicineShanghai Jiao Tong UniversityShanghaiChina Shanghai Key Laboratory of Embryo Original Diseases ShanghaiChina

Protein arginine methyltransferase-6 participates in a range of biological functions,particularly RNA processing,transcription,chromatin remodeling,and endosomal ***,it remains unclear whether protein arginine methyl transferase-6 modifies neuropathic pain and,if so,what the mechanisms of this *** this study,protein arginine methyltransferase-6 expression levels and its effect on neuropathic pain were investigated in the spared nerve injury model,chronic constriction injury model and bone cancer pain model,using immunohistochemistry,western blotting,immunoprecipitation,and label-free proteomic *** results showed that protein arginine methyltransferase-6 mostly co-localized withβ-tubulinⅢin the dorsal root ganglion,and that its expression decreased following spared nerve injury,chronic constriction injury and bone cancer *** addition,PRMT6 knockout(Prmt6~(-/-))mice exhibited pain ***,the development of spared nerve injury-induced hypersensitivity to mechanical pain was attenuated by blocking the decrease in protein arginine methyltransferase-6 ***,when protein arginine methyltransferase-6 expression was downregulated in the dorsal root ganglion in mice without spared nerve injury,increased levels of phosphorylated extracellular signal-regulated kinases were observed in the ipsilateral dorsal horn,and the response to mechanical stimuli was ***,protein arginine methyltransferase-6 appeared to contribute to spared nerve injury-induced neuropathic pain by regulating the expression of heterogeneous nuclear ***,protein arginine methyltransfe rase-6-mediated modulation of hete rogeneous nuclear ribonucleoprotein-F expression required amino atids 319 to 388,but not classical h3R2 *** findings indicated that protein arginine methyltransferase-6 is a potential therapeutic target fo r the treatment of peripheral neuro pathic pain.

关键词： dorsal root ganglion heterogeneous nuclear ribonucleoprotein F neuropathic pain protein arginine methyltransferase-6 sensory neurons

Laser-Induced highly Stable Conductive hydrogels for Robust Bioelectronics

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NANO-MICRO LETTERS 2025年第1期17卷 1-4页

作者： Li, yibo Zhou, hao yang, huayong xu, Kaichen Zhejiang Univ Sch Mech Engn State Key Lab Fluid Power & Mechatron Syst Hangzhou 310058 Peoples R China

Despite the promising progress in conductive hydrogels made with pure conducting polymer, great challenges remain in the interface adhesion and robustness in long-term monitoring. To address these challenges, Prof. Seung hwan Ko and Taek-Soo Kim's team introduced a laser-induced phase separation and adhesion method for fabricating conductive hydrogels consisting of pure poly(3,4-ethylenedioxythiophene):polystyrene sulfonate on polymer substrates. The laser-induced phase separation and adhesion treated conducting polymers can be selectively transformed into conductive hydrogels that exhibit wet conductivities of 101.4 S cm-1 with a spatial resolution down to 5 mu m. Moreover, they maintain impedance and charge-storage capacity even after 1 h of sonication. The micropatterned electrode arrays demonstrate their potential in long-term in vivo signal recordings, highlighting their promising role in the field of bioelectronics.

关键词： Laser processing Conductive hydrogels Stable interface Bio-interfacing electrodes Bioelectronic application

Tailoring Light–Matter Interactions in Overcoupled Resonator for Biomolecule Recognition and Detection

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Nano-Micro Letters 2025年第1期17卷 262-280页

作者： Dongxiao Li hong Zhou Zhihao Ren Cheng xu Chengkuo Lee Department of Electrical and Computer Engineering National University of SingaporeSingapore 117583Singapore Center for Intelligent Sensors and MEMS(CISM) National University of SingaporeSingapore 117608Singapore

Plasmonic nanoantennas provide unique opportunities for precise control of light–matter coupling in surface-enhanced infrared absorption(SEIRA)spectroscopy,but most of the resonant systems realized so far suffer from the obstacles of low sensitivity,narrow bandwidth,and asymmetric Fano resonance ***,we demonstrated an overcoupled resonator with a high plasmon-molecule coupling coefficient(μ)(OC-hμresonator)by precisely controlling the radiation loss channel,the resonator-oscillator coupling channel,and the frequency detuning *** observed a strong dependence of the sensing performance on the coupling state,and demonstrated that OC-hμresonator has excellent sensing properties of ultra-sensitive(7.25%nm^(−1)),ultra-broadband(3–10μm),and immune asymmetric Fano *** characteristics represent a breakthrough in SEIRA technology and lay the foundation for specific recognition of biomolecules,trace detection,and protein secondary structure analysis using a single array(array size is 100×100μm^(2)).In addition,with the assistance of machine learning,mixture classification,concentration prediction and spectral reconstruction were achieved with the highest accuracy of 100%.Finally,we demonstrated the potential of OC-hμresonator for SARS-CoV-2 *** findings will promote the wider application of SEIRA technology,while providing new ideas for other enhanced spectroscopy technologies,quantum photonics and studying light–matter interactions.

关键词： Plasmonic nanoantennas Light-matter interaction Surface-enhanced infrared absorption Overcoupled Biosensing